xdsl.murphx.net has no MX records.
Question and response
Question
dig xdsl.murphx.net. MX
Answer
The response has no answer records.
Authority
xdsl.murphx.net. 86400 SOA auth1.dns.gxn.net. hostmaster.daisygroup.com. 2025051609 28800 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0